[CH] Set config `spark.gluten.sql.parquet.maxmin.index` default value as true

### Backend

CH (ClickHouse)

### Bug description

set config `spark.gluten.sql.parquet.maxmin.index` to enable parquet push down filter by default

### Spark version

Spark-3.3.x

### Spark configurations

_No response_

### System information

_No response_

### Relevant logs

_No response_

Search the repository for the `spark.gluten.sql.parquet.maxmin.index` configuration and trace how its default is defined for the ClickHouse backend. Confirm the default is true and verify that parquet filter pushdown behavior or its existing tests reflect the change.

Written by the indexing model from the issue text.